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Chichibu Cement Co., Ltd.

USPTO Granted Patents = 24

CIPO Patents = 4

Forward Citations = 210

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78 inventors (with patents filed for the assignee):

Shigeo Suda (4 out of 4 patents)

Osamu Kodama (4 out of 4 patents)

Takumi Tanikawa (4 out of 4 patents)

4. Hideyuki Munakata (4 out of 4 patents)

5. Zenjiro Nakai (4 out of 4 patents)

6. Kanjiro Ishizaki (4 out of 4 patents)

7. Keiichi Minegishi (3 out of 8 patents)

8. Osamu Suzuki (3 out of 35 patents)

9. Hiroshi Machida (3 out of 4 patents)

10. Tokuji Akiba (3 out of 3 patents)

11. Keigo Hoshikawa (2 out of 10 patents)

12. Tadatoshi Hosokawa (2 out of 3 patents)

13. Tsuguo Fukuda (2 out of 27 patents)

14. Tokihiro Tsuda (2 out of 2 patents)

15. Morizumi Fujii (2 out of 3 patents)

24 patents: Sort by Forward Citations

1. 5529248 - Method and apparatus for grinding material particles (1996-06-25),

2. 5458083 - Growth method for a rod form of single oxide crystal (1995-10-17),

3. 5453419 - Xenopus laevis bone morphogenetic proteins and use thereof (1995-09-26),

4. 5431124 - Rutile single crystals and their growth processes (1995-07-11),

5. 5427302 - Method of bonding and metallizing for light polarizers (1995-06-27),

6. 5408354 - Optical Isolator (1995-04-18),

7. 5369067 - Composite substrates and their production (1994-11-29),

8. 5330046 - Ceramic conveyor belt (1994-07-19),

9. 5229093 - Method for making mullite whiskers using hydrofluoric acid (1993-07-20),

10. 5194420 - Oxide super conductors (1993-03-16),

11. 5139602 - Apparatus for producing paving blocks (1992-08-18),

12. 5080750 - System for making composite blocks (1992-01-14),

13. 5051023 - Fracture-free layered paving blocks (1991-09-24),

14. 5045514 - Sol-gel method for making composite mullite/cordierite ceramics (1991-09-03),

15. 4995932 - Method for production of paving blocks (1991-02-26),

Chichibu Cement Co., Ltd. is a leading cement manufacturer in Japan, specializing in producing high-quality cement products for various construction projects. With a history dating back over a century, the company has established a strong reputation for its commitment to innovation, sustainability, and customer satisfaction. Chichibu Cement Co., Ltd. aims to continue leading the industry by providing reliable and environmentally friendly cement solutions.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

24 Patents

#1,068 in Tokyo

#2,580 in Japan

#25,825 in the World

Chichibu Cement Co., Ltd.

Forward Citations = 210

78 inventors:

Shigeo Suda (4 out of 4 patents)

Osamu Kodama (4 out of 4 patents)

Takumi Tanikawa (4 out of 4 patents)

4. Hideyuki Munakata (4 out of 4 patents)

5. Zenjiro Nakai (4 out of 4 patents)

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